Declension table of ?suramantrin

Masculine	Singular	Dual	Plural
Nominative	suramantrī	suramantriṇau	suramantriṇaḥ
Vocative	suramantrin	suramantriṇau	suramantriṇaḥ
Accusative	suramantriṇam	suramantriṇau	suramantriṇaḥ
Instrumental	suramantriṇā	suramantribhyām	suramantribhiḥ
Dative	suramantriṇe	suramantribhyām	suramantribhyaḥ
Ablative	suramantriṇaḥ	suramantribhyām	suramantribhyaḥ
Genitive	suramantriṇaḥ	suramantriṇoḥ	suramantriṇām
Locative	suramantriṇi	suramantriṇoḥ	suramantriṣu

Compound suramantri -

Adverb -suramantri